Finding the Third Proportional to 42,351 and 63,321

Step by Step Solution

1. Step 1: Write the proportion equation
   42,351 : 63,321 = 63,321 : x
2. Step 2: Convert to fraction form
   42,351/63,321 = 63,321/x
3. Step 3: Cross multiply
   42,351x = 63,321 × 63,321
4. Step 4: Simplify right side
   42,351x = 4,009,549,041
5. Step 5: Solve for x
   x = 4,009,549,041/42,351
6. Step 6: Final answer
   x = 94,674.25